science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: dinitrogen tetroxide				Other Names: 

Formula: N2O4						CAS-No.: 10544-72-6

Study: UV absorption cross sections


Authors: H.M. Harwood, R.L. Jones

Title: Temperature dependent ultraviolet-visible absorption cross sections of NO2 and N2O4: Low-temperature measurements of the equilibrium constant of 2NO2<->N2O4

Journal/Source: J. Geophys. Res., 99, 22955-22964, (1994); doi:10.1029/94JD01635


Data: diagram, table

Energy/Wavelength range: 320 - 430 nm

Resolution: 0.54 (FWHM)

Temperature: 213 K; 225 K; 233 K; 243 K; 253 K

Temperature dependence: yes

Pressure/Concentration: 

Phase: gas

pH:


Comments: Values of cross sections for N2O4 and equilibrium constant for the association of NO2 are presented in the 
range 213 to 263 K.

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